1. Quality: This car windshield heater is made of heat-resistant hard plastic ABS and polymer.It uses high quality cables, which are sturdy, durable, long life, energy saving and reduced consumption.Cigarette lighter socket design, built-in fuse, with automatic power-off protection design. 2. Wide application: The car heater applies to defogging/defrosting inside all 12V vehicles in winter.This car heater is an ideal choice for defrosting or defogging windows and windshields, and is very suitable for common electrical appliances such as cars, trucks, cars, air conditioners, etc. 3. Easy to install and use: The car heater is powered by the 12V cigarette lighter port and can be easily inserted by the cigarette lighter socket.Press the fan or heat switch to start working.The base is equipped with double-sided adhesive tape.You can use double-sided tape to fix the car heater at the position you like. 4. 2 in 1 cooler and heater: quickly heat the vehicle, due to this portable heater plugs into any 12v cigarette lighter and heats up almost instantly.With two power options, the heater will direct heat to the front, top and all around, giving you a clear view, making you drive warmer and safer.There are two modes to choose, natural fan or heat fan, natural for hot weather and heat for cold weather 5. 180 degree rotation: The car windshield defroster is designed with a 180 degree rotating base, and the air outlet can be adjusted up and down to keep warm in all directions.You can adjust the heater to let the warm air blow to the place you want, easily remove the fog or frost on the car windshield, so that the driving vision is clear and theDriving safety is ensured.